ICR

Ion cyclotron resonance

IDTr

3-(Imidazole-1-ylmethyl)-4’,4”-dimethoxytriphenylmethyl

IETr

4,4’-Dimethoxy-3”-[N-(imidazolylethyl)carbamoyl]trityl

Im

Imidazole-1-yl or 1-imidazolyl

iMds

2,6-Dimethoxy-4-methylbenzenesulfonyl

INADEQUATE

Incredible Natural Aboudance DoublE QUAntum transfer Experiment

INDO

Incomplete neglect of differential overlap

IP

Ionization potential

IPA

Isopropyl alcohol

Ipaoc

1-Isopropylallyloxycarbonyl

Ipc

Isopinocamphenyl

IPCC

Isopropenyl chlorocarbonate or

IPCF

Isopropenyl chloroformate

IPDMS

Isopropyldimethylsilyl

IR

Infrared

J

Coupling constant (in NMR)

k

Kilo

KAPA

Potassium 3-aminopropylamide

KHMDS

Potassium bis(trimethylsilyl)amide or potassium hexamrthyldisilane

L

Triphenylphosphine ligand or liter

LAH

Lithium aluminum hydride

LCAO

Linear combination of atomic orbitals

LDA

Lithium diisopropylamide

LDBB

4,4’-Di-tert-butyybiphenyl ylide

Lev

Levulinoyl

LevS

4,4-(Ethylenedithio)pentanoyl

LevS

Levulinoyldithioacetal ester

LFER

Linear free energy relationship

LICA

Lithium isopropylcyclohexylamide

LHMDS

Lithium bis(trimethylsilyl)amide or lithium hexamrthyldisilane

LTA

Lead tetraacetate

LTMP

Lithium 2,2,6,6-tetramethylpiperidide

LUMO

Lowest unoccupied molecular orbital